Lancashire Police say a fatal house fire in Rishton is so far 'unexplained'.
But detectives do not believe there were any suspicious circumstances.
An 83-year-old woman died after the fire. Two men in their 50s were treated for smoke inhalation.
“This is a tragic incident and we are working hard with the fire service to piece together what has happened.”
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Greater Manchester Police said "inquiries are ongoing to fully understand the circumstances of the incident."
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